Home / 414,105,824,963.43-621,220,846,042.09-145,447,452,685.24

Finding the Fourth Proportional to 414,105,824,963.43, 621,220,846,042.09 and 145,447,452,685.24

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Solution

The fourth proportional to 414,105,824,963.43, 621,220,846,042.09 and 145,447,452,685.24 is: 218,192,993,589.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,105,824,963.43 : 621,220,846,042.09 = 145,447,452,685.24 : x
  2. Step 2: Convert to fraction form
    414,105,824,963.43/621,220,846,042.09 = 145,447,452,685.24/x
  3. Step 3: Cross multiply
    414,105,824,963.43x = 621,220,846,042.09 × 145,447,452,685.24
  4. Step 4: Simplify right side
    414,105,824,963.43x = 90,354,989,611,791,643,836,416
  5. Step 5: Solve for x
    x = 90,354,989,611,791,643,836,416/414,105,824,963.43
  6. Step 6: Final answer
    x = 218,192,993,589.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.